2020Final results
2020 election for U.S. Senate in New Hampshire
U.S. Senate · New Hampshire
Jeanne Shaheen (D) won with 56.6% of the vote, defeating Corky Messner (R) by 15.6 points.
Jeanne ShaheenDemocrat · winner
56.6%450,778
Corky MessnerRepublican
41.0%326,229
Justin O'DonnellLibertarian
2.3%18,421
795,914 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Jeanne ShaheenCorky Messner
$18.2M
Raised by the campaign
$7.2M
$17.5M
Spent by the campaign
$7.1M
$1.1M
Cash on hand
$58.3K
Other candidates' campaigns: Justin O'Donnell $6.2K.
Campaign money: FEC, through Dec 31, 2020.
Source: FEC campaign filingsUpdated Dec 31, 2020